Climate Change Affects Mosquito Behaviour. This May Make It Harder to End Malaria in South Africa TC_Africa: SouthAfrica
is experiencing more frequent extreme heat days and fewer extreme cool days.
Therefore, winters are becoming much warmer, allowing mosquitoes to breed and transmit malaria in larger numbers during the winter months. Summer months are also getting hotter. In some cases, the summers may get too hot for mosquito and parasite growth, preventing malaria transmission. Climate change could cause a shift in the malaria transmission season from the summer months to the traditionally cooler autumn and winter months.
Rainfall also plays a major role in malaria transmission. In general, malaria incidence decreases during the El Niño years and increases in the La Niña . This is particularly true in countries like South Africa, where the adaptable malaria vector, Anopheles arabiensis, is a dominant transmitting vector.
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